应稀有同位素前沿科学中心邀请，University Federico II in Naples（那不勒斯费德里科二世大学）教授、意大利国家核物理研究所（INFN）研究员Giulio Saracino，将于2025年2月25日来校进行学术交流并作报告。

报告题目：Cosmic muons as an imaging tool: principles and applications

报告时间：2025年2月25日（星期二）14:30   

报告地点：城关校区（西区）理工楼1126报告厅

欢迎广大师生参加！

【报告摘要】

At the start of the 20th century, X-rays were first used to non-invasively observe the human body, revolutionizing diagnostic imaging in medicine, industry, and security. X-ray radiography works because X-rays can penetrate matter, being absorbed based on thickness and density. However, their effectiveness is limited to about a few tens of centimeters, and improper use can pose health risks.

However, Other forms of radiation, such as muons—charged elementary particles—can also pass through matter effectively.The earth's surface is continuously hit by high-energy muons, produced by so-called primary cosmic radiation when it interacts with the nuclei of the constituents of the earth's atmosphere.

Their ability to pass through hundreds of metres of rock has made it possible to use muons in a similar way to X-rays. This technique, called muon radiography, is able to give us a complete picture of the situation. This technique, called muon radiography or muography, is able to give us information about the internal structure of very thick bodies. Muography has been effectively used to locate voids in the Egyptian pyramids of Chephren and Cheops, as well as in studying volcanoes and subsurface structures. The seminar will introduce muon radiography principles and showcase examples from the speaker's research, including the MURAVES experiment. This project gathers data on Mount Vesuvius, one of the world's most dangerous volcanoes, to understand its summit's internal structure using three planar detectors. 

The seminar will also cover cavity measurements, particularly in Naples, a city with roots dating back to the 8th century BC. These studies utilized both planar and cylindrical detectors, the latter being among the first borehole detectors in muon radiography with arc-shaped active elements. Additionally, a recent project will be discussed, focusing on a salt mine's subsurface to assess muon radiography's ability to identify cavities for hydrogen storage and to explore the geological characteristics of the mine.

【报告人简介】

Giulio Saracino is Professor of Subnuclear Physics at the Department of Physics Ettore Pancini of the University Federico II in Naples and Research Associate at the National Institute of Nuclear Physics (INFN).

His research activities focus on fundamental research in the field of elementary particle physics, the study of particle detectors and muon radiation.

He obtained his doctorate in 1998 as a member of the KLOE experiment at INFN's Frascati National Laboratories, with a study of the form factors of K mesons, and is currently a member of the international NA62 collaboration at CERN, focusing mainly on the study of K mesons.

Throughout his scientific career, he has devoted himself to the development of innovative particle detectors and in recent years has contributed to the development of an innovative imaging technique called muon radiography. He has held positions of scientific and organizational responsibility for several experiments, such as MU-RAY, MURAY2 and MURAVES, the latter of which was originally funded by a prize project of the Ministry of Universities that enabled the creation of a laboratory currently operating at Vesuvius. He is co-inventor of an innovative patented cylindrical muon detector and was one of the founders of the university start-up MuonX, of which he is technical director.

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2025年2月18日